Grade 41Cr4
Corresponding Standard ISO 683-18-2014
Bright steel products
Classification Alloy Steel
41Cr4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.38 0.1 0.6 - - 0.9 -
Maximum Value 0.45 0.4 0.9 0.025 0.035 1.2 0.4
41Cr4 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
16<t≤100 S.annealed +peeled (+A +SH) ≤241
5≤t≤10 S.annealed +Cold drawn (+A +C) ≤295
10<t≤16 S.annealed +Cold drawn (+A +C) ≤285
16<t≤40 S.annealed +Cold drawn (+A +C) ≤280
40<t≤100 S.annealed +Cold drawn (+A +C) ≤270
16<t≤40 Quenched and tempered and peeled (+QT+SH) 900~1100 ≥660 ≥12 ≥35
40<t≤100 Quenched and tempered and peeled (+QT+SH) 800~950 ≥560 ≥14 ≥35
5≤t≤10 Quenched and tempered + Cold drawn (+QT +C) 1000~1200 ≥770 ≥8
10<t≤16 Quenched and tempered + Cold drawn (+QT +C) 1000~1200 ≥750 ≥8
16<t≤40 Quenched and tempered + Cold drawn (+QT +C) 900~1100 ≥670 ≥9
40<t≤63 Quenched and tempered + Cold drawn (+QT +C) 800~1000 ≥570 ≥10
63<t≤100 Quenched and tempered + Cold drawn (+QT +C) 800~1000 ≥570 ≥11
1 Approximate Comparison Table structural alloy steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
40Cr A20402 SCr440 SCr440
SCr440H
SCr440 5140 G51400 41Cr4 41Cr4 1.7035 42C4 41Cr4 1.7035 40Х 2245 530A40
530M40
2 Approximate Comparison Table structural alloy steel
Japan International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
SCr440H 41Cr4 41Cr4 1.7035 42C4 41Cr4 1.7035 40KH
45KH
50
530M40
3 Approximate Comparison Table
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SCr440
SCr440H
41Cr4 41Cr4 1.7035

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